When an application using WinDivert crashes, it often fails to uninstall its driver service. Windows thinks the driver is still active, causing a conflict when you try to open it again.
If you’ve ever tried using network tools like , you might have run into a frustrating popup:
To prevent this error from occurring in end-user environments, developers should:
: If you are on Windows 10/11, go to Windows Security > Device Security > Core Isolation and try turning off Memory Integrity . When an application using WinDivert crashes, it often
Knowing these details can help me give you a more specific solution.
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: Ensure the application requesting the driver is running with full Administrator privileges Manual Service Removal Knowing these details can help me give you
: Attempting to load a 32-bit driver on a 64-bit system (or vice versa) can trigger installation failures.
WinDivert often extracts itself to your System32 folder or keeps a temporary handle in your Temp folder. Navigate to C:\Windows\System32\drivers . Look for a file named WinDivert64.sys or WinDivert.sys .
: Modern antivirus or Windows features like Memory Integrity (Core Isolation) may block the driver from loading, leading to generic "cannot be installed" messages. Effective Solutions Navigate to C:\Windows\System32\drivers
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Extract the archive and locate WinDivert.dll and WinDivert64.sys (for 64-bit systems).
Windows Defender, standard antivirus software, or Windows Core Isolation treats the driver as a security threat.
Only do this if the problem persists and you trust the source of WinDivert.